Lost Your USCIS Receipt Notice?
Check Your USCIS Online Account (if you have one). Electronic copies are often available there.
If not:
Call USCIS Customer Service (1-800-375-5283). Provide your details to locate your case.
Submit Form G-884: Mail it with your information and application details.
Visit a USCIS Field Office (schedule an InfoPass appointment).
Allow Processing Time: It may take some time for USCIS to send the replacement.
Remember: Keep all USCIS documents for future reference. An immigration attorney can assist you further.